Experience | Vandan Patel

British Petroleum (Dec 2024 - Present)

Maintain and evolve Anansi, a financial modeling platform used by analysts to execute and maintain economic models.
Support the Python-based engine powering model logic, backend services, and DevOps workflows.
Delivered 30+ change requests to economic and financial models, ensuring accuracy and business alignment.
Reduced engine test execution time by ~70% through region-based test segregation.
Improved Formula Parser API performance by ~90% using parallelization.

Developed and maintained DataStore system service, the on-device storage layer for Echo and Fire TV products.
Built the DataStore Package Manager, enabling widget support across Echo and Fire TV devices.
Reduced system crashes by 30% through high-impact bug fixes and reliability improvements.
Implemented end-to-end tests covering 90% of DataStore components and decreased test runtime from ~8h to ~1.5h.
Built monitoring infrastructure tracking 20+ KPIs across ~10M devices.

Maintained a Document Management System backend supporting approval workflows for privileged documents.
Built 6 Google AppSheet applications to digitize manufacturing entry and exit processes.
Designed automated email and text notification workflows.
Developed PoCs for paper digitization and automated document processing.

Implemented object detection, segmentation, and tracking models for drones monitoring illegal mining operations.
Produced models with 80% accuracy for real-world northeast India use cases.